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WO2018223379A1 - Procédé et dispositif de traitement de signal - Google Patents

Procédé et dispositif de traitement de signal Download PDF

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Publication number
WO2018223379A1
WO2018223379A1 PCT/CN2017/087742 CN2017087742W WO2018223379A1 WO 2018223379 A1 WO2018223379 A1 WO 2018223379A1 CN 2017087742 W CN2017087742 W CN 2017087742W WO 2018223379 A1 WO2018223379 A1 WO 2018223379A1
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WIPO (PCT)
Prior art keywords
information
measurement result
downlink signal
adjustment amount
adjustment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/087742
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English (en)
Chinese (zh)
Inventor
陈文洪
张治�
唐海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN201780050358.7A priority Critical patent/CN109644376B/zh
Priority to PCT/CN2017/087742 priority patent/WO2018223379A1/fr
Publication of WO2018223379A1 publication Critical patent/WO2018223379A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/24—Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]

Definitions

  • the present application relates to the field of communications and, more particularly, to a method and apparatus for processing signals.
  • a network device may transmit a plurality of signals of the same type to a terminal device, and the multiple signals may be transmitted using different beams, for example, using different beams to transmit different synchronization signal blocks (Synchronization Signal block) , SS block) or different Channel State Information-Reference Signal (CSI-RS).
  • synchronization signal blocks Synchronization Signal block
  • SS block synchronization Signal block
  • CSI-RS Channel State Information-Reference Signal
  • the embodiment of the present application provides a method and a device for processing a signal, which can implement beam selection according to measurement results of multiple signals.
  • a method of processing a signal comprising:
  • the terminal device measures N downlink signals to obtain N measurement results, where N is an integer greater than 1.
  • the first downlink signal is a downlink signal corresponding to the first measurement result of the N downlink signals
  • the second downlink signal is the N downlink signals a downlink signal corresponding to the second measurement result in the downlink signal
  • the terminal device does not directly take two downlinks.
  • the measurement results of the signals are compared to determine the quality of the transmission of the two downlink signals.
  • the adjustment amounts corresponding to the measurement results of the two downlink signals are combined to determine two downlinks.
  • the transmission quality of the signal is compared, so that the beam selection can be performed according to the adjusted transmission quality comparison result. Further, when the beam selection is performed according to the adjusted transmission quality comparison result, the probability that the beam is selected can be adjusted.
  • the terminal device may determine, according to the N measurement results, the transmission quality of each of the two downlink signals, in combination with the adjustment amount corresponding to each of the N downlink signals. result.
  • the result of the comparison of the transmission quality of each of the two downlink signals may be used to indicate the quality of the transmission between each of the N downlink signals, so that the terminal device may The transmission quality of the signals is sorted.
  • the terminal device may select, according to the transmission quality of the N downlink signals, a certain number of downlink signals with better transmission quality from the N downlink signals, because different downlink signals use different beam transmissions. Therefore, the terminal device can determine the beam for transmitting the downlink signal according to the downlink signal, so that the terminal device can report the information of the beam corresponding to the selected downlink signal with the better transmission quality to the network device.
  • the measurement results of each of the two downlink signals can be compared to determine the quality of the transmission of each of the two downlink signals, thereby enabling The transmission quality of the downlink signals is sorted. Since the quality of the transmission of the N downlink signals is directly determined according to the measurement result, the probability that the beams corresponding to some signals are selected is always low. To solve this problem, the measurement results of the two downlink signals may be performed. In contrast, the adjusted comparison value is obtained by combining the adjustment values corresponding to the measurement results of the two downlink signals, that is, the transmission quality comparison results of the two downlink signals.
  • the method further comprises:
  • the terminal device determines the first adjustment amount according to the first adjustment information.
  • the first adjustment information may be configured as a network device, and the first adjustment information may be used to determine the first adjustment amount, for example, the first adjustment information may be directly the first The adjustment amount, that is, the first adjustment information is an adjustment amount for the measurement results of the first downlink signal and the second downlink signal.
  • the terminal device may process the first adjustment information, and determine the processed first adjustment information as the first adjustment amount, for example, the first adjustment information may be related to the first adjustment amount.
  • the first adjustment information is recorded as M
  • the first adjustment amount is recorded as m
  • the first adjustment information and the first adjustment amount may have a corresponding relationship, and the corresponding relationship may be in the form of a table, so that the terminal device may combine the corresponding relationship according to the first adjustment information, that is, The first adjustment amount is determined.
  • the determining, by the terminal device, the first adjustment amount according to the first adjustment information includes:
  • the first adjustment information is determined as the first adjustment amount.
  • the determining, by the terminal device, the first adjustment amount according to the first adjustment information includes:
  • the first adjustment information is information about transmit power of the first downlink signal and the second downlink signal.
  • the first adjustment information may include information about a transmit power of the first downlink signal, and information about a transmit power of the second downlink signal, where information about a transmit power of the first downlink signal may be considered to be
  • the adjustment information corresponding to the first downlink signal, and the information about the transmission power of the second information may be regarded as adjustment information corresponding to the second downlink signal.
  • the information about the transmit power of the first downlink signal and the second downlink signal is the first downlink signal and the second downlink signal The absolute value of the transmitted power, or relative value, or level information.
  • the processing, the processing, the processing, the processing, the processing, the processing, the processing, the first aspect in some implementation manners of the first aspect, the processing, the processing, the processing, the first aspect, the first
  • the first adjustment amount Determining, according to the information about the transmit power of the first downlink signal and the second downlink signal, the first adjustment amount, where the first correspondence is a correspondence between the information of the transmit power and the adjustment amount.
  • the first correspondence may be a correspondence between a transmit power difference and an adjustment amount, or the first correspondence may also be a correspondence between a transmit power and an adjustment amount, so that the terminal device may first The transmit power is used as a difference, and the first corresponding relationship is used to determine the corresponding adjustment amount, or the terminal device may first determine the corresponding adjustment amount of each transmit power according to the first correspondence, and then make the difference by the adjustment amount. The difference of the adjustment amount is determined as the first adjustment amount.
  • the first correspondence may be in the form of a table or a tree. Not limited
  • the processing, the processing, the processing, the processing, the processing, the processing, the processing, the first aspect in some implementation manners of the first aspect, the processing, the processing, the processing, the first aspect, the first
  • the first function f(x) ax
  • the first adjustment amount is a(P 2 -P 1 ) or a(P 1 -P 2 ), where a is a constant, x is an independent variable, the P 1 is information of the transmit power of the first downlink signal, and P 2 is information of the transmit power of the second downlink signal.
  • the first corresponding to the first measurement result and the second measurement result, and the first measurement result and the second measurement result Determining, by an adjustment quantity, a first transmission quality comparison result of the first downlink signal and the second downlink signal, including:
  • the difference between the first measurement result and the second measurement result, plus the first adjustment amount is determined as the first transmission quality comparison result, wherein the first adjustment amount is a(P 2 -P 1 ); or
  • the result of adding the difference between the first measurement result and the second measurement result, plus the first adjustment amount is determined as the first transmission quality comparison result, where the An adjustment amount is a(P 1 -P 2 ).
  • the sign of the difference between the first measurement result and the second measurement result may be opposite, so that the first adjustment amount may cancel the difference of the partial measurement result, thereby being able to achieve the reduction
  • the purpose of the difference between the transmission quality of the first downlink signal and the second downlink signal is small, and when beam selection is performed, the probability that the beam corresponding to the second downlink signal is selected is improved.
  • the a is configured by a system, or the a is a protocol contract.
  • the protocol may stipulate a coefficient a of the first function f(x) for determining an adjustment amount, such that the terminal device may determine the first function according to the coefficient a, so that the transmission power of the two downlink signals may be The difference is substituted into the first function to obtain an adjustment amount corresponding to the measurement result of the two downlink signals.
  • the coefficient a of the first function f(x) may also be configured by the system, or different transmit power difference segments may correspond to different coefficients a, and when the transmit power difference falls into different ranges, correspondingly different The coefficient a.
  • the protocol may stipulate the first function f(x) for determining the adjustment amount, that is, the protocol may stipulate a functional relationship for determining the adjustment amount according to the transmission power, that is, the first function f(x), so that the terminal device may The specific form of the first function for determining the size of the adjustment amount is obtained according to the protocol, so that the difference between the transmission powers of the two downlink signals can be substituted into the first function to obtain the adjustment amount corresponding to the two downlink signals.
  • the method further comprises:
  • the terminal device receives configuration information sent by the network device, where the configuration information includes the first adjustment information.
  • the configuration information includes adjustment information corresponding to each downlink signal, or the first configuration information includes adjustment information of a group of downlink signals, the group The downlink signal includes part or all of the downlink signals of the N downlink signals, and if the configuration information does not include the adjustment information of the first downlink signal or the second downlink signal, the first downlink signal or the second downlink signal
  • the adjustment information is based on the default value.
  • the network device may configure corresponding adjustment information for each of the N downlink signals, or the network device may also configure a corresponding downlink signal for the N downlink signals.
  • the downlink signal without corresponding adjustment information can use the default value.
  • the default value here can be a zero value, a positive value, or a negative value.
  • the default values corresponding to different downlink signals can be the same. It can also be different.
  • the adjustment information corresponding to the N downlink signals is N adjustment amounts corresponding to the N downlink signals, or the N adjustment amounts are pre-configured The index in the set of adjustments;
  • the adjustment information of the group of downlink signals is an adjustment amount corresponding to the group of downlink signals, or an index of an adjustment amount corresponding to the group of downlink signals in the adjustment amount set.
  • the first measurement result and the second measurement result according to the N measurement results, and the first measurement result and the And determining, by the first adjustment quantity corresponding to the two measurement results, a first transmission quality comparison result of the first downlink signal and the second downlink signal including:
  • the first measurement result and the second measurement result according to the N measurement results, and the first measurement result and the Determining, by the first measurement quantity corresponding to the second measurement result, a first transmission quality comparison result of the first downlink signal and the second downlink signal including:
  • the result obtained by the first adjustment amount is determined as the first transmission quality comparison result.
  • the first adjustment amount may be used to cancel a difference between a portion of the first measurement result and the second measurement result, or the first adjustment amount may compare the first transmission quality
  • the absolute value of the result is smaller than the absolute value of the difference between the first measurement result and the second measurement result. Therefore, the method for processing the signal in the embodiment of the present application can reduce the difference in the transmission quality of the signal of the low power and high power cells. Therefore, when beam selection is performed, the probability that the beam of the low power cell is selected can be improved.
  • the transmitting the information of the K downlink signals to a network device includes:
  • the terminal device sends, to the network device, identifier information corresponding to the K downlink signals, and/or K adjusted measurement results corresponding to the K downlink signals, where the K adjusted measurement results are And adjusting the K measurement results according to the K adjustment amounts corresponding to the K downlink signals.
  • the downlink signal is a channel state information reference signal CSI-RS, or at least one of the synchronization signal blocks SS block.
  • the measurement result is a result obtained by filtering with L1 and/or L3.
  • the measurement result is a reference signal received power RSRP of L1, or an RSRP of L3.
  • an apparatus for processing a signal comprising means for performing the method of the first aspect or any alternative implementation of the first aspect.
  • an apparatus for processing a signal including a memory, a processor, and a transceiver,
  • the memory is for storing a program
  • the processor is for executing a program
  • the processor performs the method of the first aspect based on the transceiver.
  • a computer readable medium storing program code for execution by a terminal device, the program code comprising instructions for performing the method of the first aspect or various implementations thereof .
  • a computer program product comprising instructions, when executed on a computer, causes the computer to perform the method of any of the first aspect or the optional implementation of the first aspect.
  • FIG. 1 is a schematic diagram of a wireless communication system in accordance with an embodiment of the present application.
  • FIG. 2 is a schematic flow chart of a method of processing a signal according to an embodiment of the present application.
  • FIG. 3 is a schematic block diagram of an apparatus for processing a signal according to an embodiment of the present application.
  • FIG. 4 is a schematic block diagram of an apparatus for processing a signal according to another embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced long-term Advanced long term evolution
  • UMTS Universal Mobile Telecommunication System
  • FIG. 1 illustrates a wireless communication system 100 suitable for use with embodiments of the present invention.
  • the wireless communication system 100 can include at least one network device, such as the first network device 110 and the second network device 120 shown in FIG. Both the first network device 110 and the second network device 120 can communicate with the terminal device 130 through a wireless air interface.
  • the first network device 110 and the second network device 120 can provide communication coverage for a particular geographic area and can communicate with terminal devices located within the coverage area.
  • the first network device 110 or the second network device 120 may be a GSM system or CDMA.
  • the Base Transceiver Station (BTS) in the system may also be a base station (NodeB) in the WCDMA system, or may be an evolved base station (Evolutional Node B, "eNB” or “eNodeB” in the LTE system.
  • the network device in the future 5G network such as a Transmission Reception Point (TRP), a base station, a small base station device, etc., is not specifically limited in this embodiment of the present invention.
  • the wireless communication system 100 further includes one or more User Equipment (“UE”) 130 located within the coverage of the first network device 110 and the second network device 120.
  • the terminal device 130 can be mobile or fixed.
  • the terminal device 130 may communicate with one or more core networks via a Radio Access Network (RAN), and the terminal device may be referred to as an access terminal, a terminal device, a subscriber unit, and a subscriber station. , mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device.
  • the terminal device may be a cellular phone, a cordless phone, a Session Initiation Protocol ("SIP”) phone, a Wireless Local Loop (WLL) station, or a personal digital assistant (Personal Digital Assistant).
  • PDA Personal Digital Assistant
  • a handheld device with wireless communication capabilities a computing device or other processing device connected to a wireless modem, an in-vehicle device, a wearable device, and a terminal device in a future 5G network.
  • the network device may use different beams to transmit different CSI-RSs, or SS blocks, and the terminal device may distinguish different beams according to different SS blocks, or CSI-RSs, or resources used for transmitting CSI-RSs. .
  • the transmit power of the macro station is often greater than the transmit power corresponding to the small cell, and therefore, directly according to each signal.
  • the measurement results determine the beam with better transmission quality, and the probability that the beam used by the small cell is selected is always lower than the probability that the beam used by the macro station is selected.
  • the embodiment of the present application provides a method for processing a signal, which can process multiple signals according to the measurement result of multiple signals and the adjustment amount, thereby implementing beam selection.
  • FIG. 2 is a schematic flowchart of a method 200 for processing a signal according to an embodiment of the present application.
  • the method 200 may be performed by a terminal device in the wireless communication system shown in FIG. 1.
  • the method 200 includes :
  • the terminal device measures N downlink signals to obtain N measurement results, where N is an integer greater than 1.
  • the N downlink signals may be CSI-RSs, or signals in the SS block, for example, may include a Primary Synchronization Signal (PSS), and a Secondary Synchronization Signal (SSS).
  • PSS Primary Synchronization Signal
  • SSS Secondary Synchronization Signal
  • the at least one of the physical broadcast channel (PBCH) and the demodulation reference signal (DMRS) for demodulating the PBCH is not limited in this embodiment of the present application.
  • the N downlink signals may all be CSI-RSs, or may both be SSSs, or both may be PSS and SSS, or part of the signals are CSI-RS, and some signals are SSS, etc. This example does not limit this.
  • the N measurement results may be measured by L1 filtering, and/or L3 filtering.
  • the measurement result may be reference signal received power of L1 (Reference Signal Received Power)
  • the RSRP, or the RSRP of the layer 3 can be used for the measurement result of the transmission quality comparison, which is not limited by the embodiment of the present application.
  • S220 Determine, according to the first measurement result and the second measurement result of the N measurement results, and the first adjustment quantity corresponding to the first measurement result and the second measurement result, determining the first downlink signal. And comparing the result of the first transmission quality of the second downlink signal.
  • the first downlink signal is a downlink signal corresponding to the first measurement result of the N downlink signals
  • the second downlink signal is corresponding to the second measurement result of the N downlink signals.
  • Downstream signal is a downlink signal corresponding to the first measurement result of the N downlink signals
  • the second downlink signal is corresponding to the second measurement result of the N downlink signals.
  • the first adjustment value corresponding to the first measurement result and the second measurement result is used to adjust a comparison value of the measurement results of the first downlink signal and the second downlink signal, that is, The adjustment values corresponding to the first measurement result and the second measurement result are adjusted for comparing the transmission quality of the two downlink signals.
  • the prior art directly compares the measurement results of the two downlink signals.
  • the embodiment of the present application further combines the comparison results of the measurement results of the two downlink signals.
  • the first adjustment amount adjusts the comparison result to determine a comparison result of the transmission qualities of the two downlink signals.
  • the terminal device wants to select K downlink signals from the N downlink signals, the transmission quality of the N downlink signals needs to be compared, and according to the transmission quality comparison result between the two downlink signals, Among the N downlink signals, K downlink signals satisfying the condition are determined.
  • the terminal device may compare the transmission quality of the first downlink signal and the second downlink signal, and determine the transmission quality of the first downlink signal and the second downlink signal, where the terminal device
  • the difference between the first measurement result and the second measurement result may be combined with the first measurement result and the first adjustment amount corresponding to the second measurement result to determine the first downlink signal and the first a first transmission quality comparison result of the two downlink signals, or a comparison result of the first measurement result and the second measurement result according to the first adjustment amount, and determining the adjusted comparison result as
  • the first transmission quality comparison result that is, the first adjustment amount may be regarded as an adjustment amount of the comparison result of the first measurement result and the second measurement result.
  • the terminal device does not directly compare the measurement results of the two downlink signals, determines the quality of the transmission of the two downlink signals, and compares the measurement of the two downlink signals.
  • combining the adjustment amounts corresponding to the measurement results of the two downlink signals, determining the transmission quality comparison result of the two downlink signals, and selecting the beam according to the transmission quality comparison result, on the other hand, according to the adjusted transmission Quality comparison results Beam selection can adjust the probability that the beam is selected.
  • the K downlink signals selected from the N downlink signals may be K signals with the best transmission quality, or may also be K signals with poor transmission quality, or may also be K downlinks satisfying other conditions.
  • the signal in the embodiment of the present application does not limit the selection condition of the K downlink signals.
  • the embodiment of the present application only introduces the K signals with the best transmission quality from the N downlink signals as an example, and should not be implemented in this application. The examples constitute any limitation.
  • the second downlink signal is a downlink signal corresponding to a high power cell, such that the first measurement result is subtracted from the second measurement result.
  • the difference is a negative value, and the disparity between the two is often large, that is, the difference between the transmission quality of the first downlink signal and the transmission quality of the second downlink signal is large, and the first measurement quantity is used to compare the first measurement result and
  • a positive adjustment amount may be added to the difference between the first measurement result and the second measurement result, so that the first downlink can be reduced.
  • the difference between the signal and the measurement result of the second downlink signal, that is, the first downlink is reduced
  • the difference between the transmission quality of the second downlink signal and the second downlink signal thereby facilitating the improvement of the probability that the beam of the low power cell is selected when performing beam selection.
  • the downlink signal 1 (Sig1) and the downlink signal 2 (Sig2) correspond to the measurement results X 1 and X 2 , respectively, and the comparison results of the measurement results of Sig1 and Sig2 are X 1 -X 2 , and the prior art is directly based on X 1 -X 2 determines the quality of the transmission quality of Sig1 and Sig2, and in the embodiment of the present application, the comparison value of the adjustment values ⁇ x corresponding to Sig1 and Sig2 to the measurement results of Sig1 and Sig2 may be further combined, that is, for X.
  • X 1 -X 2 is adjusted to obtain transmission quality Sig1 and Sig2 of the comparison result, i.e., X 1 -X 2 + ⁇ x or X 1 -X 2 - ⁇ x, ⁇ x herein may be positive, negative may be, of course, Can be zero.
  • the terminal device may determine, according to the comparison result of the transmission quality of the Sig1 and the Sig2, which downlink signal in Sig and Sig2 is superior in transmission quality, and if X 1 -X 2 is greater than zero, in the prior art, Sig1 may be determined.
  • the transmission quality is better than the transmission quality of Sig2. Otherwise, it is determined that the transmission quality of Sig2 is better than the transmission quality of Sig1, that is, in the prior art, the transmission quality comparison result is X 1 -X 2 .
  • the transmission quality comparison result of Sig1 and Sig2 is a result obtained by adjusting X 1 -X 2 according to the adjustment value ⁇ x corresponding to Sig1 and Sig2, and therefore, the transmission quality comparison result of Sig1 and Sig2 is relative to The prior art has changed, that is, the probability that the corresponding beams of Sig1 and Sig2 are selected has changed.
  • the transmission quality Sig1 and Sig2 after the adjustment result of the comparison may be X 1 -X 2 + ⁇ x, or if the sign of [Delta] x X 1 -X The symbols of 2 are the same, then the transmission quality comparison result of the adjusted Sig1 and Sig2 may be X 1 -X 2 - ⁇ x, that is, the first adjustment amount enables the absolute values of the comparison values of the measurement results of Sig1 and Sig2 The absolute value of the transmission quality comparison result larger than Sig1 and Sig2, that is, the difference in transmission quality between Sig1 and Sig2 is reduced.
  • Sig1 is the downlink signal sent by the low-power cell
  • Sig2 is the downlink signal sent by the high-power cell.
  • X 2 >X 1 , therefore, the beam is selected according to the measurement results of Sig1 and Sig2, and the beam corresponding to Sig2 The probability of being selected is much larger than the beam corresponding to Sig1.
  • the comparison value of the measurement results of Sig1 and Sig2 is used, the comparison value of the measurement result is adjusted according to the adjustment values corresponding to Sig1 and Sig2, and the transmission quality of Sig1 and Sig2 is obtained.
  • the comparison result is equivalent to reducing the comparison result of the transmission quality between Sig1 and Sig2, that is, reducing the difference in transmission quality between Sig1 and Sig2, and therefore, when performing beam selection based on the comparison result of the transmission quality of Sig1 and Sig2, Increase the probability that the beam corresponding to Sig1 is selected.
  • the adjustment amount corresponding to the above two measurement results may be that the terminal device is large according to the The measurement data of the quantity is determined, or may be configured by the network device.
  • the embodiment of the present application does not limit this, and the adjustment amount corresponding to the two measurement results may also be adjusted according to actual conditions, for example, within a certain period of time.
  • the adjustment amount corresponding to the two measurement results is a first value, and in another time period, the adjustment amount corresponding to the two measurement results may be a second value, and the first value and the second value may be the same, Can be different.
  • the method further includes:
  • the terminal device determines the first adjustment amount according to the first adjustment information.
  • the first adjustment information may be configured as a network device, and the first adjustment information may be used to determine the first adjustment amount, for example, the first adjustment information may directly be the first An adjustment amount, that is, the first adjustment information is an adjustment amount for a measurement result of the first downlink signal and the second downlink signal.
  • the terminal device may process the first adjustment information, and determine the processed first adjustment information as the first adjustment amount, for example, the first adjustment information may be related to the first adjustment amount.
  • the first adjustment information is recorded as M
  • the first adjustment amount is recorded as m
  • the first adjustment amount may be determined by substituting the first adjustment information into a function.
  • the first adjustment information and the first adjustment amount may have a corresponding relationship, and the corresponding relationship may be in the form of a table, so that the terminal device may combine the corresponding relationship according to the first adjustment information, that is, The first adjustment amount is determined.
  • the first adjustment information may include adjustment information corresponding to the first downlink signal and the second downlink signal, and the adjustment information corresponding to each downlink signal may be the transmission of each downlink signal.
  • the power, or the adjustment amount corresponding to each downlink signal can be used to adjust the measurement result of each downlink signal to obtain the adjusted measurement result.
  • the first adjustment information is information about transmit power of the first downlink signal and the second downlink signal.
  • the first adjustment information may include information about a transmit power of the first downlink signal, and information about a transmit power of the second downlink signal, where information about a transmit power of the first downlink signal may be considered to be
  • the adjustment information corresponding to the first downlink signal, and the information about the transmission power of the second information may be regarded as adjustment information corresponding to the second downlink signal.
  • the information about the transmit power of the first downlink signal and the second downlink signal is an absolute value, or a relative value, or level information of transmit powers of the first downlink signal and the second downlink signal.
  • the information in the embodiment of the present application is not limited, and the following is mainly The information of the transmission power is described as the absolute value of the transmission power, but the embodiment of the present application is not limited thereto.
  • the absolute value of the transmit power of the first downlink signal may be a reference value, such that the information about the transmit power of the other signal may be a relative value relative to the absolute value of the transmit power of the first downlink signal.
  • the information about the transmit power of the first downlink signal is zero; or the specific transmit power value may be used as a reference value, and the information about the transmit power of the N downlink signals may be relative to a specific transmit power value. relative value.
  • the absolute value of the transmission power may be divided into multiple levels, and the information of the transmission power of each downlink signal may be a level corresponding to the absolute value of the transmission power of each downlink signal.
  • the processing the first adjustment information, and processing The first adjustment information is determined as the first adjustment amount, and includes:
  • the first adjustment amount Determining, according to the information about the transmit power of the first downlink signal and the second downlink signal, the first adjustment amount, where the first correspondence is a correspondence between the information of the transmit power and the adjustment amount.
  • the terminal device may determine the first adjustment amount according to the transmit power of the first downlink signal and the second downlink signal, and the first corresponding relationship, and optionally, the terminal device may first The difference between the transmit power of the first downlink signal and the second downlink signal is determined, and according to the transmit power difference, combined with the first correspondence, the adjustment amount corresponding to the transmit power difference is determined as the first adjustment amount.
  • the terminal device may first determine, according to the transmit power of the first downlink signal and the second downlink signal, the first corresponding relationship, determine an adjustment amount corresponding to the transmit power of the two downlink signals, and then determine The difference between the adjustment amounts corresponding to the transmission powers of the two downlink signals determines the difference of the adjustment amounts as the first adjustment amount.
  • the first correspondence may be a correspondence between the transmission power difference and the adjustment amount, or the first correspondence may also be a correspondence between the transmission power and the adjustment amount, so that the terminal device may first transmit the power. Performing a difference, and combining the first correspondence relationship, determining a corresponding adjustment amount, or the terminal device may first determine a corresponding adjustment amount of each transmission power according to the first correspondence relationship, and then making a difference value, and adjusting the amount The difference is determined as the first adjustment amount.
  • the first correspondence may be in the form of a table, or a tree, which is not limited by the embodiment of the present application.
  • the first correspondence may be as shown in Table 1.
  • Adjustment value ⁇ x Transmit power difference Z 1 (Y 1 , Y 2 ) Z 2 (Y 2 , Y 3 ) Z 3 (Y 3 , Y 4 ) ... ... Z L (Y L , Y L+1 )
  • the transmission power difference can be segmented, and each segment corresponds to a corresponding adjustment amount.
  • Table 1 when the transmission power difference of the two downlink signals falls into (Y 1 , Y 2 ), the corresponding correspondence can be determined.
  • the adjustment amount is Z 1 .
  • the difference between the transmission powers of the two downlink signals falls into (Y 2 , Y 3 )
  • it can be determined that the corresponding adjustment amount is Z 2
  • the corresponding adjustment amount is corresponding. I will not list them here.
  • the difference between the transmit powers of the two downlink signals falls into (Y 1 , Y 2 )
  • the difference between the transmit powers of the first downlink signal and the second downlink signal is recorded as the first difference
  • the difference between the transmission powers of the first downlink signal and the second downlink signal is recorded as the second difference, and therefore,
  • the first difference is smaller than the second difference, and the large transmit power often means that the measurement result corresponding to the signal is large
  • the smaller difference between the transmit powers of the two downlink signals means that the adjustment amount required to be compensated is smaller.
  • the adjustment amount Z 1 corresponding to the segment (Y 1 , Y 2 ) is smaller than the adjustment amount Z 2 corresponding to the segment (Y 2 , Y 3 ). That is, when the difference in transmission power is small, in this case, the difference of the measurement results is small, so that a small adjustment amount can be used for the two downlink signals.
  • the measurement result is adjusted. When the difference in transmission power is large, the difference between the measurement results is large in this case. Therefore, the measurement result of the two downlink signals can be adjusted by using a larger adjustment amount, thereby being able to reduce The difference in transmission quality between the two downstream signals.
  • the processing the first adjustment information, and determining the processed first adjustment information as the first adjustment amount includes:
  • the first function may be a linear function or a nonlinear function.
  • the information of the transmission power, which is substituted into the first function, is the first adjustment amount.
  • the first function f(x) ax
  • the first adjustment amount is a(P 2 -P 1 ) or a(P 1 -P 2 ), where a is a constant and x is a self a variable, where P 1 is information of a transmit power of the first downlink signal, and P 2 is information of a transmit power of the second downlink signal.
  • the first adjustment amount ⁇ x is a(P 2 -P 1 ) or a(P 1 -P 2 ), and a may be 1, or a number greater than 1, or may be a number less than 1, then the first The transmission quality comparison result of a downlink signal and the second downlink signal may be X 1 -X 2 + ⁇ x.
  • the first adjustment amount may be a(P 2 -P 1 ), and the terminal device may add the difference between the first measurement result and the second measurement result, and add the first
  • the result obtained by the adjustment amount is determined as the first transmission quality comparison result, that is, the first transmission quality comparison result is X 1 -X 2 +a(P 2 -P 1 ); or
  • the first adjustment amount may be a(P 1 -P 2 ), and the terminal device may add the difference between the first measurement result and the second measurement result, The result obtained by the first adjustment amount is determined as the first transmission quality comparison result, that is, the first transmission quality comparison result is X 1 -X 2 +a(P 1 -P 2 ).
  • the transmission power is large, and the measurement result is correspondingly large.
  • the transmission power of the first downlink signal is greater than the transmission power of the second downlink signal
  • the first measurement result is often greater than a second measurement result, wherein the first adjustment amount may be opposite to a sign of a difference between the first measurement result and the second measurement result, so that the first adjustment amount may cancel a difference value of a part of the measurement result,
  • the purpose of reducing the difference between the transmission quality of the first downlink signal and the second downlink signal is achieved, so that the probability that the beam corresponding to the second downlink signal is selected when performing beam selection can be improved.
  • the first adjustment amount may be such that the difference between the measurement results of the two downlink signals The absolute value is greater than the absolute value of the transmission quality comparison result of the two downlink signals, so that after the above adjustment, the difference between the transmission quality of the signal of the low power cell and the transmission quality of the signal of the high power cell is reduced, and therefore, When the beam is selected, the probability that the beam of the low power cell is selected can be improved.
  • the a may be configured by a system, or the a is a protocol agreed.
  • the protocol agreement may include pre-configuration on the terminal device, and no system configuration is required.
  • the protocol may stipulate a coefficient a of the first function f(x) for determining an adjustment amount, such that the terminal device may determine the first function according to the coefficient a, so that the transmission power of the two downlink signals may be The difference is substituted into the first function to obtain an adjustment amount corresponding to the measurement result of the two downlink signals.
  • the coefficient a of the first function f(x) may also be configured by the system, or different transmit power difference segments may correspond to different coefficients a, and when the transmit power difference falls into different ranges, correspondingly different The coefficient a.
  • the protocol may stipulate the first function f(x) for determining the adjustment amount, that is, the protocol may stipulate a functional relationship for determining the adjustment amount according to the transmission power, that is, the first function f(x), so that the terminal device may The specific form of the first function for determining the size of the adjustment amount is obtained according to the protocol, so that the difference between the transmission powers of the two downlink signals can be substituted into the first function to obtain the adjustment amount corresponding to the two downlink signals.
  • the method further includes:
  • the terminal device receives configuration information sent by the network device, where the configuration information includes the first adjustment information.
  • the first adjustment information corresponds to the first adjustment information described in the foregoing.
  • the network device may send the configuration information to the terminal device by using Radio Resource Control (RRC) signaling, or The network device may also send the configuration information to the terminal device by using Downlink Control Information (DCI).
  • RRC Radio Resource Control
  • DCI Downlink Control Information
  • the configuration information includes adjustment information corresponding to each downlink signal, or the first configuration information includes adjustment information of a group of downlink signals, where the group of downlink signals includes the N downlink signals. For some or all of the downlink signals, if the configuration information does not include the adjustment information of the first downlink signal or the second downlink signal, the adjustment information of the first downlink signal or the second downlink signal adopts a default value.
  • the network device may configure corresponding adjustment information for each of the N downlink signals, or the network device may also configure a corresponding downlink signal for the N downlink signals.
  • the downlink signal without corresponding adjustment information can use the default value.
  • the default value here can be a zero value, a positive value, or a negative value.
  • the default values corresponding to different downlink signals can be the same. It can also be different.
  • the default value can be agreed by the protocol or configured by the system.
  • the adjustment information corresponding to each downlink signal may be information about a transmission power corresponding to each downlink signal, or an adjustment amount corresponding to each downlink signal, and an adjustment amount corresponding to each downlink signal may be used for each of the downlinks The measurement results of the signal are adjusted.
  • the network device may also configure corresponding adjustment information for a group of downlink signals, that is, a group of downlink signals may correspond to the same adjustment information, where the adjustment information may be an adjustment amount, that is, a group of downlink signals may correspond to one adjustment amount, The other set of downlink signals corresponds to another adjustment amount.
  • the adjustment information corresponding to the N downlink signals is N adjustment amounts corresponding to the N downlink signals, or the N adjustment amounts are in a pre-configured adjustment amount set. index of;
  • the adjustment information of the group of downlink signals is an adjustment amount corresponding to the group of downlink signals, or an index of an adjustment amount corresponding to the group of downlink signals in the adjustment amount set.
  • the network device may configure a corresponding adjustment amount for each downlink signal, and the adjustment amount may be used to adjust the measurement result of each downlink signal to obtain an adjusted measurement result, for example, N downlink signals respectively correspond to
  • the adjustment amount is offset 1 , offset 2 , ..., offset N
  • the measurement results corresponding to the N downlink signals are X 1 , X 2 , ..., X N
  • the adjusted values of each downlink signal measurements can be X 1 + offset 1, X 2 + offset 2, ..., X N + offset 1N, or adjusted after each downlink signal measurements may be X 1 -offset 1, X 2 -offset 2 ,...,X N -offset 1N .
  • the adjustment amount of the first downlink signal and the second downlink signal may be offset 1 -offset 2 or offset 2 -offset 1 , that is, the adjustment amount corresponding to the measurement results of the two downlink signals may be It is determined according to the adjustment amounts corresponding to the two downlink signals respectively.
  • S220 can include:
  • the difference between the first measurement result and the second measurement result is different from the first adjustment amount
  • the symbol is different, and the result obtained by adding the difference between the first measurement result and the second measurement result to the first adjustment amount is determined as the first transmission quality comparison result.
  • the first adjustment amount may be used to cancel a difference between a portion of the first measurement result and the second measurement result, or the first adjustment amount may make an absolute of the first transmission quality comparison result
  • the value is smaller than the absolute value of the difference between the first measurement result and the second measurement result, that is, the embodiment of the present application can reduce the difference in the transmission quality of the signals of the low power and high power cells, so that when beam selection is performed, The probability that the beam of the low power cell is selected can be improved.
  • the terminal device may perform transmission quality comparison on the other downlink signals according to the first downlink signal and the second downlink signal, and directly compare the transmission quality from the N downlink signals. Determine K downlink signals.
  • the terminal device may perform transmission quality comparison on each of the N downlink signals, determine a transmission quality comparison result of any two downlink signals, and compare the transmission quality according to any two downlink signals. Therefore, K downlink signals are determined among the N downlink signals. That is, the terminal device may determine, according to the comparison result of the transmission quality of the two downlink signals, the quality of the transmission between each of the N downlink signals, so that the N downlinks may be performed. The transmission quality of the signals is sorted, and K downlink signals are selected from the N downlink signals according to the order of the transmission quality of the N downlink signals.
  • the terminal device may also adjust an algorithm for comparing transmission quality of the N downlink signals according to actual conditions, as long as the transmission quality of the two downlink signals is compared, and the adjustment amount is combined according to the measurement results of the two downlink signals.
  • the measurement result is adjusted to determine the transmission quality comparison result, which falls within the protection scope of the embodiment of the present application.
  • the specific embodiment of the present application does not specifically limit the specific algorithm for selecting K downlink signals from the N downlink signals.
  • the N downlink signals include a downlink signal 1 (Sig1), a downlink signal 2 (Sig2), and a downlink signal 3 (Sig3), which respectively correspond to measurement results X 1 , X 2 , X 3 , and the X 1 and X 2
  • the corresponding adjustment amount is ⁇ x 1
  • the adjustment amount corresponding to X 1 and X 3 is ⁇ x 2
  • the adjustment amount corresponding to X 2 and X 3 is ⁇ x 3 .
  • X 1 -X 2 + ⁇ x 1 can be performed.
  • the transmission quality of Sig1 is better than the transmission quality of Sig2, the transmission quality of Sig1 and Sig3 can be further compared. If the transmission quality of Sig3 is determined to be better than The transmission quality of Sig1 can determine that one of the selected signals is Sig3, otherwise it is determined that one of the selected signals is Sig1. Therefore, it is not necessary to compare the transmission quality of Sig2 and Sig3 to select a signal that satisfies the requirement.
  • the N downlink signals include Sig1, Sig2, Sig3, and Sig4, and the terminal device may first sequentially Sig1 with Sig2, Sig3. Compared with Sig4, the transmission quality is determined, and the signal with the best transmission quality among the four signals is determined, and the signal with the best transmission quality is recorded as Sig1, and then the terminal device can compare the Sig2 with Sig3 and Sig4 in turn.
  • the downlink information with the best transmission quality among the three downlink signals is determined, so that the two downlink signals with the best transmission quality among the four downlink signals can be determined.
  • an algorithm for determining K signals that meet certain conditions from the N downlink signals may be adjusted according to actual conditions.
  • the above enumerated algorithms are only for facilitating understanding of the embodiments of the present application, and are not limited to the specific descriptions described above.
  • the algorithm may be used to perform transmission quality ordering on the N downlink signals by using some sorting algorithms in the prior art.
  • S240 can include:
  • the terminal device sends, to the network device, identifier information corresponding to the K downlink signals, and/or K adjusted measurement results corresponding to the K downlink signals, where the K adjusted measurement results are And adjusting the K measurement results according to the K adjustment amounts corresponding to the K downlink signals.
  • the identification information of the K downlink signals may be information of a beam corresponding to the K downlink signals, for example, an identifier (ID), or the terminal device may number the N downlink signals.
  • the identifier information corresponding to the K downlink signals may be the number of the K downlink signals, or the identifier information of the K downlink signals may also be used to identify the K Other identification information of each of the downlink signals is not limited in this embodiment of the present application.
  • the terminal device may further send, to the network device, the K measurement results corresponding to the K downlink signals, where the K measurement results may be further used by the network device to further select the K downlink signals, and determine to be used for downlink transmission. Beam.
  • the network device can configure a corresponding adjustment amount for each downlink signal, and the adjustment amount can be used to adjust the measurement result of each downlink signal, thereby determining an adjusted measurement result of each downlink signal, and therefore, the terminal device
  • the measured measurement result of each downlink signal may be calculated, so that the measurement result reported by the terminal device to the network device may also be the adjusted measurement result corresponding to the K downlink signals.
  • the terminal device does not directly compare the measurement results of the two downlink signals, determines the quality of the transmission of the two downlink signals, and compares the measurement of the two downlink signals.
  • the transmission quality comparison result of the two downlink signals is determined by combining the adjustment amounts corresponding to the measurement results of the two downlink signals, and therefore, the beam selection according to the adjusted transmission quality comparison result can be realized, and further, in progress When beam selection, beam selection is performed according to the adjusted transmission quality comparison result, and the probability that the beam is selected can be adjusted.
  • FIG. 3 is a schematic block diagram of an apparatus for processing a signal according to an embodiment of the present application.
  • the device 300 of Figure 3 includes:
  • the measuring module 310 is configured to measure N downlink signals to obtain N measurement results, where N is an integer greater than 1.
  • the first downlink signal is a downlink signal corresponding to the first measurement result of the N downlink signals
  • the second downlink signal is a downlink signal corresponding to the second measurement result of the N downlink signals ;
  • the communication module 330 is configured to send information about the K downlink signals to the network device.
  • the determining module 320 is further configured to:
  • the first adjustment amount is determined according to the first adjustment information.
  • the determining module 320 is specifically configured to:
  • the first adjustment information is determined as the first adjustment amount.
  • the determining module 320 is specifically configured to:
  • the first adjustment information is information about transmit power of the first downlink signal and the second downlink signal.
  • the information about the transmit power of the first downlink signal and the second downlink signal is an absolute value of transmit power of the first downlink signal and the second downlink signal. , or relative value, or level information.
  • the determining module 320 is further configured to:
  • the first adjustment amount Determining, according to the information about the transmit power of the first downlink signal and the second downlink signal, the first adjustment amount, where the first correspondence is a correspondence between the information of the transmit power and the adjustment amount.
  • the determining module 320 is further configured to:
  • the first function f(x) ax
  • the first adjustment amount is a(P 2 -P 1 ) or a(P 1 -P 2 ), where a It is a constant, x is an argument, the P 1 is information of the transmission power of the first downlink signal, and P 2 is information of the transmission power of the second downlink signal.
  • the determining module 320 is further configured to:
  • the difference between the first measurement result and the second measurement result, plus the first adjustment amount is determined as the first transmission quality comparison result, wherein the first adjustment amount is a(P 2 -P 1 ); or
  • the result of adding the difference between the first measurement result and the second measurement result, plus the first adjustment amount is determined as the first transmission quality comparison result, where the An adjustment amount is a(P 1 -P 2 ).
  • the a is configured by the system, or the a is protocol agreed.
  • the communication module 330 is further configured to:
  • the configuration information includes adjustment information corresponding to each downlink signal, or the first configuration information includes adjustment information of a group of downlink signals, where the group of downlink signals includes the N For some or all of the downlink signals of the downlink signals, if the configuration information does not include the adjustment information of the first downlink signal or the second downlink signal, the adjustment information of the first downlink signal or the second downlink signal adopts a default value. .
  • the adjustment information corresponding to the N downlink signals is N adjustment amounts corresponding to the N downlink signals, or the N adjustment amounts are in a pre-configured adjustment amount set. index;
  • the adjustment information of the group of downlink signals is an adjustment amount corresponding to the group of downlink signals, or an index of an adjustment amount corresponding to the group of downlink signals in the adjustment amount set.
  • the determining module 320 is further configured to:
  • the determining module 320 is further configured to:
  • the result obtained by the first adjustment amount is determined as the first transmission quality comparison result.
  • the communication module 330 is specifically configured to:
  • the downlink signal is a channel state information reference signal. At least one of the CSI-RS, or the sync signal block SS block.
  • the measurement result is a result obtained by filtering with L1 and/or L3.
  • the measurement result is a reference signal received power RSRP of L1, or an RSRP of L3.
  • the device 300 may correspond to (for example, may be configured or be itself) the terminal device described in the foregoing method 200, and each module or unit in the device 300 is used to execute the terminal device in the foregoing method 200, respectively.
  • Each of the operations or processes performed is omitted here for the sake of avoiding redundancy.
  • the embodiment of the present application further provides a device 400 for processing a signal, which may be the device 300 in FIG. 3, which can be used to execute a terminal device corresponding to the method 200 in FIG. content.
  • the device 400 includes an input interface 410, an output interface 420, a processor 430, and a memory 440, and the input interface 410, the output interface 420, the processor 430, and the memory 440 can be connected by a bus system.
  • the memory 440 is used to store programs, instructions or code.
  • the processor 430 is configured to execute a program, an instruction or a code in the memory 440 to control the input interface 410 to receive a signal, control the output interface 420 to send a signal, and complete the operations in the foregoing method embodiments.
  • the processor 430 may be a central processing unit (“CPU"), and the processor 430 may also be other general-purpose processors, digital signal processors ( DSP), application specific integrated circuit (ASIC), off-the-shelf programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and the like.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 440 can include read only memory and random access memory and provides instructions and data to the processor 430. A portion of the memory 440 may also include a non-volatile random access memory. For example, the memory 440 can also store information of the device type.
  • each content of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 430 or an instruction in a form of software.
  • the content of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 440, and the processor 430 reads the information in the memory 440 and completes the contents of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.
  • the measurement module 310 included in the device 300 of FIG. 3, the determination module 320 can be implemented by the processor 430 of FIG. 4, and the communication module 330 included in the device 300 of FIG. 3 can use the input of FIG. Interface 410 and the output interface 420 are implemented.
  • the embodiment of the present application further provides a computer readable storage medium storing one or more programs, the one or more programs including instructions, when the portable electronic device is included in a plurality of applications When executed, the portable electronic device can be caused to perform the method of the embodiment shown in FIG. 2.
  • the embodiment of the present application also proposes a computer program comprising instructions which, when executed by a computer, cause the computer to execute the corresponding flow of the method of the embodiment shown in FIG. 2.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product. Based on such understanding, the technical solution of the present application, which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product stored in a storage medium. A number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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Abstract

L'invention concerne un procédé et un dispositif de traitement de signal, qui peuvent mettre en œuvre une sélection sur un faisceau, le procédé comprenant les étapes suivantes : un dispositif terminal mesure N signaux de liaison descendante pour obtenir N résultats de mesure, N étant un nombre entier supérieur à 1; déterminer, en fonction du premier résultat de mesure et du second résultat de mesure dans les N résultats de mesure, et d'une première quantité de réglage correspondant au premier résultat de mesure et au second résultat de mesure, un premier résultat de comparaison de qualité de transmission correspondant à un premier signal de liaison descendante et un second signal de liaison descendante; déterminer K signaux de liaison descendante à partir des N signaux de liaison descendante selon au moins un résultat de comparaison de qualité de transmission, le ou les résultats de mesure comprenant le premier résultat de comparaison de qualité de transmission, et chacun desdits résultats de comparaison de qualité de transmission étant un résultat de comparaison de la qualité de transmission de deux signaux de liaison descendante dans les N signaux de liaison descendante, et 1< = K < N; et transmettre des informations concernant les K signaux de liaison descendante à un dispositif de réseau.
PCT/CN2017/087742 2017-06-09 2017-06-09 Procédé et dispositif de traitement de signal Ceased WO2018223379A1 (fr)

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